Assembly tool for handle seat assembly of load-sensitive proportional multi-way valve

Abstract

The utility model discloses an assembling tool for a load-sensitive proportional multi-way valve handle seat assembly, and relates to the technical field of machine manufacturing. Comprising a handle seat and a handle connecting rod, the handle seat is provided with a reversing cavity, the handle seat is further provided with a handle seat shaft which penetrates through the handle seat and is partially exposed in the reversing cavity, a handle connecting rod pressing connection hole is formed in the exposed section, located in the reversing cavity, of the handle seat shaft, and the handle seat shaft is further provided with an extending section. A handle seat mounting hole is formed in the extending section; the handle connecting rod comprises a handle connecting block and a connecting rod which are hinged to each other, the handle connecting block is in a U shape, a pair of first hinge holes located in the upper portion and a pair of second hinge holes located in the lower portion are formed in the handle connecting block, and the second hinge holes are hinged to the connecting rod; according to the utility model, the requirement on the technical level of operators is reduced, and the working efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing technical field especially relates to the assembly tooling of load sensitive proportional multiway valve handle seat assembly improves. BACKGROUND

[0002] The pressing assembly mode of the handle seat and the handle connecting rod mainly relies on manual operation or simple fixture assistance, the pressing assembly method of the handle connecting rod on the existing (load sensitive proportional multiway valve) has problems of low efficiency, low positioning accuracy, easy damage and the like, simple fixture positioning accuracy is low, and it is difficult to guarantee the pressing assembly quality and product consistency, the handle seat or the handle connecting rod is easily damaged, and it is difficult to control the installation accuracy. These problems lead to low production efficiency and difficult product quality guarantee. Therefore, an efficient and accurate handle seat handle connecting rod pressing assembly tooling is urgently needed. SUMMARY

[0003] The utility model provides a kind of assembly tooling of load sensitive proportional multiway valve handle seat assembly for the above problems, simple operation, efficient and effectively improve product quality.

[0004] The technical scheme of the utility model is as follows: the handle seat assembly includes a handle seat and a handle connecting rod, the handle seat has a reversing cavity, and a handle seat shaft that penetrates the handle seat and is partially exposed in the reversing cavity is further provided on the handle seat,

[0005] A handle connecting rod pressing hole is formed on the exposed section of the handle seat shaft in the reversing cavity, and the handle seat shaft further has an extended section, and a handle seat mounting hole is provided on the extended section.

[0006] The handle connecting rod includes a handle connecting block and a connecting rod that are hingedly connected to each other, the handle connecting block is U-shaped, a pair of upper hinge holes and a pair of lower hinge holes are provided on the handle connecting block, and the lower hinge holes are hingedly connected to the connecting rod.

[0007] The assembly tooling includes a base, a pressing block and a punch,

[0008] The base includes a bottom plate and a back plate, the handle seat is placed on the bottom plate, and a base positioning hole that is adapted to the handle seat mounting hole is formed on the back plate.

[0009] A positioning pin is provided between the bottom surface of the pressing block and the top surface of the handle seat, the pressing block is provided with a connecting rod pressing groove structure, the connecting rod pressing groove structure includes a counterbore and a connecting block positioning hole, a punch pin guide groove is formed on the side surface of the pressing block.

[0010] The cross-sectional shape of the punch is adapted to the cross-sectional shape of the counterbore, a punch rod is provided on the bottom surface of the punch, and a punch pin hole is formed on the punch rod.

[0011] Further, the assembly tool further comprises a punch positioning pin, which is connected with the hinge hole through the punch pin hole.

[0012] Further, the assembly tool further comprises a base positioning pin, which is fixed through the base positioning hole and the handle base mounting hole.

[0013] Further, a guide groove with a height same as that of the counterbore is formed on the punch pin guide groove.

[0014] The bottom plate, the pressing block and the punch pressing tool are accurately designed, the handle base and the handle connecting rod are accurately positioned, quick and accurate positioning and pressing are realized, the disadvantages that the connecting block is deformed and the product quality is affected during traditional manual assembly are avoided, the installation precision is optimized, the product quality is improved, the requirement for the technical level of the operator is reduced, and the work efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the structure explosion of the utility model Figure One ,

[0016] Figure 2 is the structure explosion of the utility model Figure Two ,

[0017] Figure 3 is the structure schematic view of the pressing block in the utility model,

[0018] Figure 4 is the top view of the pressing block in the utility model,

[0019] Figure 5 is the bottom view of the pressing block in the utility model,

[0020] Figure 6 is the rear view of the pressing block in the utility model,

[0021] Figure 7 is the A-A sectional view of Figure 6 ,

[0022] Figure 8 is the structure schematic view of the handle base of the machined part in the utility model Figure One ,

[0023] Figure 9 is the structure schematic view of the handle base of the machined part in the utility model Figure Two ,

[0024] In the figure: 1 is a base, 11 is a base positioning hole,

[0025] 2 is a press block, 21 is a counterbore, 211 is a connecting block positioning hole, 22 is a punch pin guide slot, 221 is a guide slot, 23 is a positioning pin,

[0026] 3 is a punch, 31 is a punch rod, 311 is a punch pin hole,

[0027] 4 is a base positioning pin,

[0028] 5 is a punch positioning pin,

[0029] 6 is a handle seat, 61 is a handle seat shaft, 611 is a handle seat mounting hole, 612 is a handle connecting rod crimping hole, 62 is a positioning pin hole, 63 is a reversing cavity,

[0030] 7 is a handle connecting rod, 71 is a handle connecting block, 711 is a hinge hole one, 712 is a hinge hole two, 72 is a connecting rod. DETAILED DESCRIPTION

[0031] In order to make the application purpose, technical scheme and beneficial technical effects of the present application clearer, the present application will be further described in detail below in combination with embodiments. It should be understood that the embodiments described in the specification are only for the purpose of explaining the present application and are not intended to limit the present application.

[0032] For the sake of simplicity, only some numerical ranges are explicitly disclosed in the present application. However, any lower limit can be combined with any upper limit to form a range not explicitly recited; and any lower limit can be combined with other lower limits to form a range not explicitly recited, likewise any upper limit can be combined with any other upper limit to form a range not explicitly recited. In addition, although not explicitly recited, every point or individual number between the range endpoints is included in the range. Thus, every point or individual number can be combined as its own lower limit or upper limit with any other point or individual number or with other lower limits or upper limits to form a range not explicitly recited.

[0033] In the description of the present application, it should be noted that, unless otherwise specified, "above", "below" are inclusive of the number, "multiple" in "one or more" means two or more than two.

[0034] The above application content of the present application is not intended to describe every disclosed embodiment or every implementation in the present application. The following description illustrates the exemplary embodiments more specifically. In many places throughout the application, guidance is provided by a series of embodiments, which can be used in various combinations. In each instance, the enumeration is only representative of a group and should not be interpreted as exhaustive.

[0035] The following will be described in combination with the accompanying Figures 1-9 The embodiments of the present application are described in detail.

[0036] The handle seat assembly of the utility model includes handle seat 6 and handle connecting rod 7, handle seat 6 has reversing cavity, handle seat shaft 61 is further provided on handle seat 6 and partially exposed in reversing cavity.

[0037] Handle connecting rod pressing hole 612 is formed on the exposed section of handle seat shaft 61 in reversing cavity, handle seat shaft 61 further has protruding section, handle seat mounting hole 611 is formed on the protruding section, handle connecting rod pressing hole 612 and handle seat mounting hole 611 are perpendicular to each other.

[0038] Handle connecting rod 7 includes handle connecting block 71 and connecting rod 72 which are hingedly connected, handle connecting block 71 is U-shaped, a pair of hinged hole one 711 is formed on the upper part of handle connecting block 71 and a pair of hinged hole two 712 is formed on the lower part of handle connecting block 71, hinged hole two 712 is hingedly connected with connecting rod 72.

[0039] That is, the technical task of the utility model is to realize the assembly of handle connecting rod 7 and handle seat 6. Figure 1 、 2 Handle connecting rod 7 and handle seat 6 are indicated by double-dot chain line in the prior art, the two parts are generally assembled by hand, since handle connecting block 71 in handle connecting rod 7 is a sheet stamping part, when being assembled by hand, the handle connecting block 71 is prone to deformation, and the parallelism between the connecting block pin shaft and the handle seat cannot be accurately controlled.

[0040] The assembly tool includes base 1, pressing block 2 and punch 3;

[0041] Base 1 includes horizontal bottom plate and vertical back plate, and the two are L-shaped, handle seat 6 is placed on the bottom plate, and back plate is provided with base positioning hole 11 which is matched with handle seat mounting hole 611;

[0042] Positioning pin 23 is arranged between the bottom surface of pressing block 2 and the top surface of handle seat 6, positioning pin 23 is arranged in positioning pin hole 62, so that pressing block 2 does not deviate during pressing, pressing block 2 is provided with connecting rod pressing groove structure, the connecting rod pressing groove structure includes counterbore 21 and connecting block positioning hole 211, punch pin guide groove 22 is formed on the side surface of pressing block 2;

[0043] The cross-sectional shape of punch 3 is matched with the cross-sectional shape of counterbore 21, punch rod 31 is arranged on the bottom surface of punch 3, and punch pin hole 311 is formed on punch rod 31.

[0044] Further, the assembly tool further includes punch positioning pin 5, punch positioning pin 5 is connected with hinged hole one 711 through punch pin hole 311, so that handle connecting rod 7 does not deviate during pressing.

[0045] Further, the assembly tool further comprises a base positioning pin 4 which is fixed through the handle base mounting hole 611 and the base positioning hole 11, which can ensure that the handle base 6 does not deviate during the pressing process and can ensure that the handle base shaft 61 does not rotate, thereby ensuring that the connecting rod 72 is pressed into the handle connecting rod pressing hole 612.

[0046] Further, the punch pin guide groove 22 is provided with a guide groove 221 with a height same as that of the counterbore 21 and a width greater than that of the punch pin guide groove 22, which makes it more convenient to put the punch positioning pin 5 into the punch pin guide groove 22.

[0047] During pressing, the handle base 6 is placed on the base plate 1, the base positioning pin 4 is used to fix the handle base mounting hole 611 and the base positioning hole 11, the positioning pin 23 on the bottom surface of the pressing block 2 is installed in the positioning pin hole 62 of the handle base 6, the punch positioning pin 5 is used to connect the punch 3 and the handle connecting rod 7 through the punch pin hole 311 and the hinge hole 711, then the handle connecting rod 7 is placed in the connecting block positioning hole 211, after assembly, the upper end of the punch is pressed by the pressing mechanism, the connecting rod 72 of the handle connecting rod 7 is pressed into the handle connecting rod pressing hole 612 of the handle base 6 to complete the pressing work.

[0048] It should be noted that the above specific embodiments are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art should understand that, on the basis of the technical content disclosed in the present application, various modifications, equivalent replacements, changes, etc. can be made to the present application. However, as long as these changes do not deviate from the spirit of the present application, they should be within the protection scope of the present application. In addition, some terms used in the present application and the claims are not limited, but are only used for convenient description.

Claims

1. An assembly fixture for a load-sensitive proportional multi-way valve handle seat assembly, the handle seat assembly including a handle seat (6) and a handle connecting rod (7), the handle seat (6) having a reversing cavity, and a handle seat shaft (61) that passes through the handle seat (6) and is partially exposed in the reversing cavity is also provided on the handle seat (6). A handle connecting rod crimping hole (612) is provided on the exposed section of the handle seat shaft (61) located in the reversing cavity. The handle seat shaft (61) also has an extension section, on which a handle seat mounting hole (611) is provided. The handle connecting rod (7) includes a handle connecting block (71) and a connecting rod (72) that are hinged to each other. The handle connecting block (71) is U-shaped. The handle connecting block (71) is provided with a pair of hinge holes 1 (711) at the upper part and a pair of hinge holes 2 (712) at the lower part. The hinge holes 2 (712) are hinged to the connecting rod (72). Its features are, The assembly fixture includes a base (1), a pressing block (2), and a punch (3). The base (1) includes a base plate and a back plate. The handle seat (6) is placed on the base plate. The back plate has a base positioning hole (11) that matches the handle seat mounting hole (611). A positioning pin (23) is provided between the bottom surface of the pressing block (2) and the top surface of the handle seat (6). The pressing block (2) is provided with a connecting rod pressing groove structure. The connecting rod pressing groove structure includes a countersunk hole (21) and a connecting block positioning hole (211). A punch pin guide groove (22) is provided on the side of the pressing block (2). The cross-sectional shape of the punch (3) is adapted to the cross-sectional shape of the countersunk hole (21). A punch rod (31) is provided on the bottom surface of the punch (3), and a punch pin hole (311) is provided on the punch rod (31).

2. The assembly tooling for the load-sensitive proportional multi-way valve handle seat assembly according to claim 1, characterized in that, The assembly fixture also includes a punch positioning pin (5), which passes through the punch pin hole (311) and connects to the hinge hole (711).

3. The assembly tooling for the load-sensitive proportional multi-way valve handle seat assembly according to claim 1, characterized in that, The assembly fixture also includes a base positioning pin (4), which passes through the handle mounting hole (611) and the base positioning hole (11) to fix it.

4. The assembly fixture for the load-sensitive proportional multi-way valve handle seat assembly according to claim 1, characterized in that, The punch pin guide groove (22) has a guide groove (221) with the same height as the countersunk hole (21) and a width greater than the punch pin guide groove (22).

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